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All results from a given calculation for CH3CClCHCH3 (2-Butene, 2-chloro-, (Z)-)

using model chemistry: HF/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at HF/CEP-121G
 hartrees
Energy at 0K-40.617157
Energy at 298.15K-40.624291
Nuclear repulsion energy90.568356
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HF/CEP-121G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3299 3011 38.28      
2 A' 3284 2996 2.45      
3 A' 3258 2973 23.58      
4 A' 3160 2884 34.45      
5 A' 3154 2878 50.03      
6 A' 1869 1706 13.34      
7 A' 1635 1492 11.92      
8 A' 1629 1486 2.23      
9 A' 1566 1429 0.31      
10 A' 1564 1427 5.65      
11 A' 1443 1317 35.80      
12 A' 1265 1154 37.07      
13 A' 1170 1068 1.27      
14 A' 1147 1047 19.04      
15 A' 969 884 37.26      
16 A' 598 546 43.46      
17 A' 554 505 1.28      
18 A' 355 324 0.78      
19 A' 246 224 1.67      
20 A" 3250 2966 29.11      
21 A" 3221 2939 42.66      
22 A" 1632 1489 11.88      
23 A" 1612 1471 12.16      
24 A" 1193 1088 2.24      
25 A" 1187 1084 0.66      
26 A" 937 855 18.57      
27 A" 510 465 4.74      
28 A" 265 242 3.07      
29 A" 203 185 1.63      
30 A" 93 85 0.04      

Unscaled Zero Point Vibrational Energy (zpe) 23133.8 cm-1
Scaled (by 0.9125) Zero Point Vibrational Energy (zpe) 21109.6 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HF/CEP-121G
ABC
0.15729 0.10804 0.06559

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 1.297 2.173 0.000
Cl2 -1.784 0.053 0.000
C3 0.736 -1.987 0.000
C4 0.231 1.966 0.000
H5 -0.213 2.425 0.877
H6 -0.213 2.425 -0.877
C7 0.000 0.474 0.000
C8 0.923 -0.487 0.000
H9 1.946 -0.140 0.000
H10 -0.308 -2.268 0.000
H11 1.209 -2.423 -0.876
H12 1.209 -2.423 0.876

Atom - Atom Distances (Å)
  H1 Cl2 C3 C4 H5 H6 C7 C8 H9 H10 H11 H12
H13.73984.19741.08501.76371.76372.13732.68592.40184.72134.67934.6793
Cl23.73983.24252.77932.97782.97781.83342.76113.73532.75063.98263.9826
C34.19743.24253.98544.59724.59722.56841.51162.20831.08081.08721.0872
C41.08502.77933.98541.08501.08501.51042.54912.71564.26814.58154.5815
H51.76372.97784.59721.08501.75502.14993.24653.46484.77485.34785.0521
H61.76372.97784.59721.08501.75502.14993.24653.46484.77485.05215.3478
C72.13731.83342.56841.51042.14992.14991.33252.04022.75853.25903.2590
C82.68592.76111.51162.54913.24653.24651.33251.07992.16472.14422.1442
H92.40183.73532.20832.71563.46483.46482.04021.07993.09952.55422.5542
H104.72132.75061.08084.26814.77484.77482.75852.16473.09951.75891.7589
H114.67933.98261.08724.58155.34785.05213.25902.14422.55421.75891.7526
H124.67933.98261.08724.58155.05215.34783.25902.14422.55421.75891.7526

picture of 2-Butene, 2-chloro-, (Z)- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C4 H5 108.734 H1 C4 H6 108.734
H1 C4 C7 109.781 Cl2 C7 C4 112.078
Cl2 C7 C8 120.594 C3 C8 C7 129.018
C3 C8 H9 115.889 C4 C7 C8 127.327
H5 C4 H6 107.942 H5 C4 C7 110.793
H6 C4 C7 110.793 C7 C8 H9 115.093
C8 C3 H10 112.168 C8 C3 H11 110.115
C8 C3 H12 110.115 H10 C3 H11 108.446
H10 C3 H12 108.446 H11 C3 H12 107.411
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.169      
2 Cl -0.047      
3 C -0.583      
4 C -0.542      
5 H 0.174      
6 H 0.174      
7 C -0.041      
8 C -0.010      
9 H 0.188      
10 H 0.199      
11 H 0.159      
12 H 0.159      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.641 0.367 0.000 2.667
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -40.267 -0.286 0.000
y -0.286 -34.396 0.000
z 0.000 0.000 -39.607
Traceless
 xyz
x -3.265 -0.286 0.000
y -0.286 5.541 0.000
z 0.000 0.000 -2.276
Polar
3z2-r2-4.552
x2-y2-5.871
xy-0.286
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.912 -1.233 0.000
y -1.233 8.924 0.000
z 0.000 0.000 5.091


<r2> (average value of r2) Å2
<r2> 130.032
(<r2>)1/2 11.403